Waterproofing (from Greek. hydor - water and insulation) - the protection of building structures and buildings from the ingress of water (antifiltratsionnaya waterproofing) material or equipment from the harmful effects omyvayuschey or filter the water or other corrosive liquids (Antirust waterproofing). Work on the device known as a waterproofing waterproofing work. Waterproofing provides the proper maintenance of buildings, installations and equipment, increasing their reliability and durability.